/*
 * Copyright 2012 Gayan Perera
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
*/
package gap.maven.script;
import java.io.File;
import java.io.IOException;

import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.codehaus.plexus.util.FileUtils;

/**
 * @author gayan
 * 
 * @goal create-script
 * @requiresProject false
 */
public class CreateScriptMojo extends AbstractMojo {
    /**
     * @parameter default-value="${user.home}/scripts/"
     * expression="${scriptDir}"
     */
    private File scriptDir;

    /**
     * @parameter
     * expression="${script}"
     * @required
     */
    private String script;
    
    public void execute() throws MojoExecutionException, MojoFailureException {
        try {
            final String scriptFileName = script.endsWith("groovy") ? script : script.concat(".groovy");
            final File scriptFile = new File(scriptDir, scriptFileName);
            FileUtils.copyURLToFile(getClass().getResource("/template.groovy"), scriptFile);
            
            getLog().info("File created at : " + scriptFile.getAbsolutePath());
        } catch (IOException ex) {
            throw new MojoExecutionException("Error creating the script.", ex);
        }
    }

}
